Home / 47,008.80-64,838.70-29,112.30

Finding the Fourth Proportional to 47,008.80, 64,838.70 and 29,112.30

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Solution

The fourth proportional to 47,008.80, 64,838.70 and 29,112.30 is: 40,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,008.80 : 64,838.70 = 29,112.30 : x
  2. Step 2: Convert to fraction form
    47,008.80/64,838.70 = 29,112.30/x
  3. Step 3: Cross multiply
    47,008.80x = 64,838.70 × 29,112.30
  4. Step 4: Simplify right side
    47,008.80x = 1,887,603,686.01
  5. Step 5: Solve for x
    x = 1,887,603,686.01/47,008.80
  6. Step 6: Final answer
    x = 40,154.26

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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.