Home / 45,009.68-62,130.85-40,285.76

Finding the Fourth Proportional to 45,009.68, 62,130.85 and 40,285.76

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Solution

The fourth proportional to 45,009.68, 62,130.85 and 40,285.76 is: 55,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.68 : 62,130.85 = 40,285.76 : x
  2. Step 2: Convert to fraction form
    45,009.68/62,130.85 = 40,285.76/x
  3. Step 3: Cross multiply
    45,009.68x = 62,130.85 × 40,285.76
  4. Step 4: Simplify right side
    45,009.68x = 2,502,988,100.33
  5. Step 5: Solve for x
    x = 2,502,988,100.33/45,009.68
  6. Step 6: Final answer
    x = 55,610.00

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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.