Home / 57,080.15-78,802.28-34,424.90

Finding the Fourth Proportional to 57,080.15, 78,802.28 and 34,424.90

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Solution

The fourth proportional to 57,080.15, 78,802.28 and 34,424.90 is: 47,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.15 : 78,802.28 = 34,424.90 : x
  2. Step 2: Convert to fraction form
    57,080.15/78,802.28 = 34,424.90/x
  3. Step 3: Cross multiply
    57,080.15x = 78,802.28 × 34,424.90
  4. Step 4: Simplify right side
    57,080.15x = 2,712,760,633.65
  5. Step 5: Solve for x
    x = 2,712,760,633.65/57,080.15
  6. Step 6: Final answer
    x = 47,525.47

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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.