Home / 59,979.04-89,962.80-18,426.40

Finding the Fourth Proportional to 59,979.04, 89,962.80 and 18,426.40

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Solution

The fourth proportional to 59,979.04, 89,962.80 and 18,426.40 is: 27,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,979.04 : 89,962.80 = 18,426.40 : x
  2. Step 2: Convert to fraction form
    59,979.04/89,962.80 = 18,426.40/x
  3. Step 3: Cross multiply
    59,979.04x = 89,962.80 × 18,426.40
  4. Step 4: Simplify right side
    59,979.04x = 1,657,690,537.92
  5. Step 5: Solve for x
    x = 1,657,690,537.92/59,979.04
  6. Step 6: Final answer
    x = 27,637.83

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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.