Home / 39,391.04-59,071.14-13,738.89

Finding the Fourth Proportional to 39,391.04, 59,071.14 and 13,738.89

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Solution

The fourth proportional to 39,391.04, 59,071.14 and 13,738.89 is: 20,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.04 : 59,071.14 = 13,738.89 : x
  2. Step 2: Convert to fraction form
    39,391.04/59,071.14 = 13,738.89/x
  3. Step 3: Cross multiply
    39,391.04x = 59,071.14 × 13,738.89
  4. Step 4: Simplify right side
    39,391.04x = 811,572,116.15
  5. Step 5: Solve for x
    x = 811,572,116.15/39,391.04
  6. Step 6: Final answer
    x = 20,602.96

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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.