Home / 56,445.24-77,897.28-31,294.80

Finding the Fourth Proportional to 56,445.24, 77,897.28 and 31,294.80

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Solution

The fourth proportional to 56,445.24, 77,897.28 and 31,294.80 is: 43,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445.24 : 77,897.28 = 31,294.80 : x
  2. Step 2: Convert to fraction form
    56,445.24/77,897.28 = 31,294.80/x
  3. Step 3: Cross multiply
    56,445.24x = 77,897.28 × 31,294.80
  4. Step 4: Simplify right side
    56,445.24x = 2,437,779,798.14
  5. Step 5: Solve for x
    x = 2,437,779,798.14/56,445.24
  6. Step 6: Final answer
    x = 43,188.40

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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.