Home / 53,687.32-74,088.72-29,813.92

Finding the Fourth Proportional to 53,687.32, 74,088.72 and 29,813.92

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Solution

The fourth proportional to 53,687.32, 74,088.72 and 29,813.92 is: 41,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.32 : 74,088.72 = 29,813.92 : x
  2. Step 2: Convert to fraction form
    53,687.32/74,088.72 = 29,813.92/x
  3. Step 3: Cross multiply
    53,687.32x = 74,088.72 × 29,813.92
  4. Step 4: Simplify right side
    53,687.32x = 2,208,875,170.98
  5. Step 5: Solve for x
    x = 2,208,875,170.98/53,687.32
  6. Step 6: Final answer
    x = 41,143.33

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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.