Home / 56,264.16-77,637.02-31,115.28

Finding the Fourth Proportional to 56,264.16, 77,637.02 and 31,115.28

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Solution

The fourth proportional to 56,264.16, 77,637.02 and 31,115.28 is: 42,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.16 : 77,637.02 = 31,115.28 : x
  2. Step 2: Convert to fraction form
    56,264.16/77,637.02 = 31,115.28/x
  3. Step 3: Cross multiply
    56,264.16x = 77,637.02 × 31,115.28
  4. Step 4: Simplify right side
    56,264.16x = 2,415,697,615.67
  5. Step 5: Solve for x
    x = 2,415,697,615.67/56,264.16
  6. Step 6: Final answer
    x = 42,934.93

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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.