Home / 47,387.66-70,774.23-42,936.42

Finding the Fourth Proportional to 47,387.66, 70,774.23 and 42,936.42

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Solution

The fourth proportional to 47,387.66, 70,774.23 and 42,936.42 is: 64,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.66 : 70,774.23 = 42,936.42 : x
  2. Step 2: Convert to fraction form
    47,387.66/70,774.23 = 42,936.42/x
  3. Step 3: Cross multiply
    47,387.66x = 70,774.23 × 42,936.42
  4. Step 4: Simplify right side
    47,387.66x = 3,038,792,064.46
  5. Step 5: Solve for x
    x = 3,038,792,064.46/47,387.66
  6. Step 6: Final answer
    x = 64,126.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.