Home / 47,115.81-70,646.02-19,036.75

Finding the Fourth Proportional to 47,115.81, 70,646.02 and 19,036.75

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Solution

The fourth proportional to 47,115.81, 70,646.02 and 19,036.75 is: 28,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.81 : 70,646.02 = 19,036.75 : x
  2. Step 2: Convert to fraction form
    47,115.81/70,646.02 = 19,036.75/x
  3. Step 3: Cross multiply
    47,115.81x = 70,646.02 × 19,036.75
  4. Step 4: Simplify right side
    47,115.81x = 1,344,870,621.24
  5. Step 5: Solve for x
    x = 1,344,870,621.24/47,115.81
  6. Step 6: Final answer
    x = 28,543.94

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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.