Home / 56,225.04-77,590.08-31,074.36

Finding the Fourth Proportional to 56,225.04, 77,590.08 and 31,074.36

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Solution

The fourth proportional to 56,225.04, 77,590.08 and 31,074.36 is: 42,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,225.04 : 77,590.08 = 31,074.36 : x
  2. Step 2: Convert to fraction form
    56,225.04/77,590.08 = 31,074.36/x
  3. Step 3: Cross multiply
    56,225.04x = 77,590.08 × 31,074.36
  4. Step 4: Simplify right side
    56,225.04x = 2,411,062,078.35
  5. Step 5: Solve for x
    x = 2,411,062,078.35/56,225.04
  6. Step 6: Final answer
    x = 42,882.35

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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.