Home / 56,424.02-77,864.91-31,273.52

Finding the Fourth Proportional to 56,424.02, 77,864.91 and 31,273.52

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Solution

The fourth proportional to 56,424.02, 77,864.91 and 31,273.52 is: 43,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.02 : 77,864.91 = 31,273.52 : x
  2. Step 2: Convert to fraction form
    56,424.02/77,864.91 = 31,273.52/x
  3. Step 3: Cross multiply
    56,424.02x = 77,864.91 × 31,273.52
  4. Step 4: Simplify right side
    56,424.02x = 2,435,109,820.18
  5. Step 5: Solve for x
    x = 2,435,109,820.18/56,424.02
  6. Step 6: Final answer
    x = 43,157.33

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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.