Home / 54,390.08-75,077.04-34,280.84

Finding the Fourth Proportional to 54,390.08, 75,077.04 and 34,280.84

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Solution

The fourth proportional to 54,390.08, 75,077.04 and 34,280.84 is: 47,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.08 : 75,077.04 = 34,280.84 : x
  2. Step 2: Convert to fraction form
    54,390.08/75,077.04 = 34,280.84/x
  3. Step 3: Cross multiply
    54,390.08x = 75,077.04 × 34,280.84
  4. Step 4: Simplify right side
    54,390.08x = 2,573,703,995.91
  5. Step 5: Solve for x
    x = 2,573,703,995.91/54,390.08
  6. Step 6: Final answer
    x = 47,319.36

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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.