Home / 47,888.57-71,758.36-18,290.26

Finding the Fourth Proportional to 47,888.57, 71,758.36 and 18,290.26

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Solution

The fourth proportional to 47,888.57, 71,758.36 and 18,290.26 is: 27,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.57 : 71,758.36 = 18,290.26 : x
  2. Step 2: Convert to fraction form
    47,888.57/71,758.36 = 18,290.26/x
  3. Step 3: Cross multiply
    47,888.57x = 71,758.36 × 18,290.26
  4. Step 4: Simplify right side
    47,888.57x = 1,312,478,667.61
  5. Step 5: Solve for x
    x = 1,312,478,667.61/47,888.57
  6. Step 6: Final answer
    x = 27,406.93

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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.