Home / 55,966.39-77,235.50-30,473.74

Finding the Fourth Proportional to 55,966.39, 77,235.50 and 30,473.74

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Solution

The fourth proportional to 55,966.39, 77,235.50 and 30,473.74 is: 42,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.39 : 77,235.50 = 30,473.74 : x
  2. Step 2: Convert to fraction form
    55,966.39/77,235.50 = 30,473.74/x
  3. Step 3: Cross multiply
    55,966.39x = 77,235.50 × 30,473.74
  4. Step 4: Simplify right side
    55,966.39x = 2,353,654,428.87
  5. Step 5: Solve for x
    x = 2,353,654,428.87/55,966.39
  6. Step 6: Final answer
    x = 42,054.79

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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.