Home / 59,984.80-89,977.20-18,426.40

Finding the Fourth Proportional to 59,984.80, 89,977.20 and 18,426.40

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Solution

The fourth proportional to 59,984.80, 89,977.20 and 18,426.40 is: 27,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,984.80 : 89,977.20 = 18,426.40 : x
  2. Step 2: Convert to fraction form
    59,984.80/89,977.20 = 18,426.40/x
  3. Step 3: Cross multiply
    59,984.80x = 89,977.20 × 18,426.40
  4. Step 4: Simplify right side
    59,984.80x = 1,657,955,878.08
  5. Step 5: Solve for x
    x = 1,657,955,878.08/59,984.80
  6. Step 6: Final answer
    x = 27,639.60

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Similar ratio
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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.