Home / 47,355.72-70,955.51-42,472.64

Finding the Fourth Proportional to 47,355.72, 70,955.51 and 42,472.64

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Solution

The fourth proportional to 47,355.72, 70,955.51 and 42,472.64 is: 63,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,355.72 : 70,955.51 = 42,472.64 : x
  2. Step 2: Convert to fraction form
    47,355.72/70,955.51 = 42,472.64/x
  3. Step 3: Cross multiply
    47,355.72x = 70,955.51 × 42,472.64
  4. Step 4: Simplify right side
    47,355.72x = 3,013,667,265.11
  5. Step 5: Solve for x
    x = 3,013,667,265.11/47,355.72
  6. Step 6: Final answer
    x = 63,638.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.