Home / 47,277.10-70,915.65-42,669.10

Finding the Fourth Proportional to 47,277.10, 70,915.65 and 42,669.10

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Solution

The fourth proportional to 47,277.10, 70,915.65 and 42,669.10 is: 64,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,277.10 : 70,915.65 = 42,669.10 : x
  2. Step 2: Convert to fraction form
    47,277.10/70,915.65 = 42,669.10/x
  3. Step 3: Cross multiply
    47,277.10x = 70,915.65 × 42,669.10
  4. Step 4: Simplify right side
    47,277.10x = 3,025,906,961.42
  5. Step 5: Solve for x
    x = 3,025,906,961.42/47,277.10
  6. Step 6: Final answer
    x = 64,003.65

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1.5x scale

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.