Home / 63,390.75-87,480.57-34,711.62

Finding the Fourth Proportional to 63,390.75, 87,480.57 and 34,711.62

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Solution

The fourth proportional to 63,390.75, 87,480.57 and 34,711.62 is: 47,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.75 : 87,480.57 = 34,711.62 : x
  2. Step 2: Convert to fraction form
    63,390.75/87,480.57 = 34,711.62/x
  3. Step 3: Cross multiply
    63,390.75x = 87,480.57 × 34,711.62
  4. Step 4: Simplify right side
    63,390.75x = 3,036,592,303.22
  5. Step 5: Solve for x
    x = 3,036,592,303.22/63,390.75
  6. Step 6: Final answer
    x = 47,902.77

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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.