Home / 53,888.17-74,365.64-31,240.32

Finding the Fourth Proportional to 53,888.17, 74,365.64 and 31,240.32

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Solution

The fourth proportional to 53,888.17, 74,365.64 and 31,240.32 is: 43,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.17 : 74,365.64 = 31,240.32 : x
  2. Step 2: Convert to fraction form
    53,888.17/74,365.64 = 31,240.32/x
  3. Step 3: Cross multiply
    53,888.17x = 74,365.64 × 31,240.32
  4. Step 4: Simplify right side
    53,888.17x = 2,323,206,248.41
  5. Step 5: Solve for x
    x = 2,323,206,248.41/53,888.17
  6. Step 6: Final answer
    x = 43,111.62

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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.