Home / 47,000.91-70,561.48-40,379.77

Finding the Fourth Proportional to 47,000.91, 70,561.48 and 40,379.77

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Solution

The fourth proportional to 47,000.91, 70,561.48 and 40,379.77 is: 60,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.91 : 70,561.48 = 40,379.77 : x
  2. Step 2: Convert to fraction form
    47,000.91/70,561.48 = 40,379.77/x
  3. Step 3: Cross multiply
    47,000.91x = 70,561.48 × 40,379.77
  4. Step 4: Simplify right side
    47,000.91x = 2,849,256,320.51
  5. Step 5: Solve for x
    x = 2,849,256,320.51/47,000.91
  6. Step 6: Final answer
    x = 60,621.30

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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.