Home / 56,230.75-77,598.45-31,080.25

Finding the Fourth Proportional to 56,230.75, 77,598.45 and 31,080.25

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Solution

The fourth proportional to 56,230.75, 77,598.45 and 31,080.25 is: 42,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.75 : 77,598.45 = 31,080.25 : x
  2. Step 2: Convert to fraction form
    56,230.75/77,598.45 = 31,080.25/x
  3. Step 3: Cross multiply
    56,230.75x = 77,598.45 × 31,080.25
  4. Step 4: Simplify right side
    56,230.75x = 2,411,779,225.61
  5. Step 5: Solve for x
    x = 2,411,779,225.61/56,230.75
  6. Step 6: Final answer
    x = 42,890.75

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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.