Home / 54,023.08-81,070.86-18,962.84

Finding the Fourth Proportional to 54,023.08, 81,070.86 and 18,962.84

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Solution

The fourth proportional to 54,023.08, 81,070.86 and 18,962.84 is: 28,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,023.08 : 81,070.86 = 18,962.84 : x
  2. Step 2: Convert to fraction form
    54,023.08/81,070.86 = 18,962.84/x
  3. Step 3: Cross multiply
    54,023.08x = 81,070.86 × 18,962.84
  4. Step 4: Simplify right side
    54,023.08x = 1,537,333,746.84
  5. Step 5: Solve for x
    x = 1,537,333,746.84/54,023.08
  6. Step 6: Final answer
    x = 28,456.98

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1.5x scale

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.