Home / 47,115.02-70,579.02-28,400.06

Finding the Fourth Proportional to 47,115.02, 70,579.02 and 28,400.06

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Solution

The fourth proportional to 47,115.02, 70,579.02 and 28,400.06 is: 42,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.02 : 70,579.02 = 28,400.06 : x
  2. Step 2: Convert to fraction form
    47,115.02/70,579.02 = 28,400.06/x
  3. Step 3: Cross multiply
    47,115.02x = 70,579.02 × 28,400.06
  4. Step 4: Simplify right side
    47,115.02x = 2,004,448,402.74
  5. Step 5: Solve for x
    x = 2,004,448,402.74/47,115.02
  6. Step 6: Final answer
    x = 42,543.72

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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.