Home / 39,001.39-58,510.89-12,349.00

Finding the Fourth Proportional to 39,001.39, 58,510.89 and 12,349.00

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Solution

The fourth proportional to 39,001.39, 58,510.89 and 12,349.00 is: 18,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.39 : 58,510.89 = 12,349.00 : x
  2. Step 2: Convert to fraction form
    39,001.39/58,510.89 = 12,349.00/x
  3. Step 3: Cross multiply
    39,001.39x = 58,510.89 × 12,349.00
  4. Step 4: Simplify right side
    39,001.39x = 722,550,880.64
  5. Step 5: Solve for x
    x = 722,550,880.64/39,001.39
  6. Step 6: Final answer
    x = 18,526.28

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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.