Home / 56,145.62-77,477.65-30,646.92

Finding the Fourth Proportional to 56,145.62, 77,477.65 and 30,646.92

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Solution

The fourth proportional to 56,145.62, 77,477.65 and 30,646.92 is: 42,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.62 : 77,477.65 = 30,646.92 : x
  2. Step 2: Convert to fraction form
    56,145.62/77,477.65 = 30,646.92/x
  3. Step 3: Cross multiply
    56,145.62x = 77,477.65 × 30,646.92
  4. Step 4: Simplify right side
    56,145.62x = 2,374,451,555.26
  5. Step 5: Solve for x
    x = 2,374,451,555.26/56,145.62
  6. Step 6: Final answer
    x = 42,290.95

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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.