Home / 56,134.14-77,463.93-30,639.66

Finding the Fourth Proportional to 56,134.14, 77,463.93 and 30,639.66

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Solution

The fourth proportional to 56,134.14, 77,463.93 and 30,639.66 is: 42,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.14 : 77,463.93 = 30,639.66 : x
  2. Step 2: Convert to fraction form
    56,134.14/77,463.93 = 30,639.66/x
  3. Step 3: Cross multiply
    56,134.14x = 77,463.93 × 30,639.66
  4. Step 4: Simplify right side
    56,134.14x = 2,373,468,477.46
  5. Step 5: Solve for x
    x = 2,373,468,477.46/56,134.14
  6. Step 6: Final answer
    x = 42,282.08

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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.