Home / 53,899.17-74,381.63-31,239.73

Finding the Fourth Proportional to 53,899.17, 74,381.63 and 31,239.73

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Solution

The fourth proportional to 53,899.17, 74,381.63 and 31,239.73 is: 43,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899.17 : 74,381.63 = 31,239.73 : x
  2. Step 2: Convert to fraction form
    53,899.17/74,381.63 = 31,239.73/x
  3. Step 3: Cross multiply
    53,899.17x = 74,381.63 × 31,239.73
  4. Step 4: Simplify right side
    53,899.17x = 2,323,662,038.16
  5. Step 5: Solve for x
    x = 2,323,662,038.16/53,899.17
  6. Step 6: Final answer
    x = 43,111.28

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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.