Home / 31,559.04-47,338.34-10,500.66

Finding the Fourth Proportional to 31,559.04, 47,338.34 and 10,500.66

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Solution

The fourth proportional to 31,559.04, 47,338.34 and 10,500.66 is: 15,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.04 : 47,338.34 = 10,500.66 : x
  2. Step 2: Convert to fraction form
    31,559.04/47,338.34 = 10,500.66/x
  3. Step 3: Cross multiply
    31,559.04x = 47,338.34 × 10,500.66
  4. Step 4: Simplify right side
    31,559.04x = 497,083,760.80
  5. Step 5: Solve for x
    x = 497,083,760.80/31,559.04
  6. Step 6: Final answer
    x = 15,750.92

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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.