Home / 38,502.93-53,130.59-21,504.81

Finding the Fourth Proportional to 38,502.93, 53,130.59 and 21,504.81

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Solution

The fourth proportional to 38,502.93, 53,130.59 and 21,504.81 is: 29,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.93 : 53,130.59 = 21,504.81 : x
  2. Step 2: Convert to fraction form
    38,502.93/53,130.59 = 21,504.81/x
  3. Step 3: Cross multiply
    38,502.93x = 53,130.59 × 21,504.81
  4. Step 4: Simplify right side
    38,502.93x = 1,142,563,135.61
  5. Step 5: Solve for x
    x = 1,142,563,135.61/38,502.93
  6. Step 6: Final answer
    x = 29,674.71

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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.