Home / 56,140.34-77,473.81-30,646.73

Finding the Fourth Proportional to 56,140.34, 77,473.81 and 30,646.73

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Solution

The fourth proportional to 56,140.34, 77,473.81 and 30,646.73 is: 42,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.34 : 77,473.81 = 30,646.73 : x
  2. Step 2: Convert to fraction form
    56,140.34/77,473.81 = 30,646.73/x
  3. Step 3: Cross multiply
    56,140.34x = 77,473.81 × 30,646.73
  4. Step 4: Simplify right side
    56,140.34x = 2,374,318,696.00
  5. Step 5: Solve for x
    x = 2,374,318,696.00/56,140.34
  6. Step 6: Final answer
    x = 42,292.56

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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.