Home / 56,152.02-77,489.80-31,001.52

Finding the Fourth Proportional to 56,152.02, 77,489.80 and 31,001.52

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Solution

The fourth proportional to 56,152.02, 77,489.80 and 31,001.52 is: 42,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,152.02 : 77,489.80 = 31,001.52 : x
  2. Step 2: Convert to fraction form
    56,152.02/77,489.80 = 31,001.52/x
  3. Step 3: Cross multiply
    56,152.02x = 77,489.80 × 31,001.52
  4. Step 4: Simplify right side
    56,152.02x = 2,402,301,584.50
  5. Step 5: Solve for x
    x = 2,402,301,584.50/56,152.02
  6. Step 6: Final answer
    x = 42,782.10

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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.