Home / 47,045.70-70,561.40-13,756.86

Finding the Fourth Proportional to 47,045.70, 70,561.40 and 13,756.86

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Solution

The fourth proportional to 47,045.70, 70,561.40 and 13,756.86 is: 20,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,045.70 : 70,561.40 = 13,756.86 : x
  2. Step 2: Convert to fraction form
    47,045.70/70,561.40 = 13,756.86/x
  3. Step 3: Cross multiply
    47,045.70x = 70,561.40 × 13,756.86
  4. Step 4: Simplify right side
    47,045.70x = 970,703,232.42
  5. Step 5: Solve for x
    x = 970,703,232.42/47,045.70
  6. Step 6: Final answer
    x = 20,633.20

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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.