Home / 38,501.68-53,162.40-29,535

Finding the Fourth Proportional to 38,501.68, 53,162.40 and 29,535

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Solution

The fourth proportional to 38,501.68, 53,162.40 and 29,535 is: 40,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.68 : 53,162.40 = 29,535 : x
  2. Step 2: Convert to fraction form
    38,501.68/53,162.40 = 29,535/x
  3. Step 3: Cross multiply
    38,501.68x = 53,162.40 × 29,535
  4. Step 4: Simplify right side
    38,501.68x = 1,570,151,484
  5. Step 5: Solve for x
    x = 1,570,151,484/38,501.68
  6. Step 6: Final answer
    x = 40,781.38

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Double scale
Find fourth proportional to 38,502.68, 53,163.78 and 29,536
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.