Home / 38,931.60-58,397.44-10,851.72

Finding the Fourth Proportional to 38,931.60, 58,397.44 and 10,851.72

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Solution

The fourth proportional to 38,931.60, 58,397.44 and 10,851.72 is: 16,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.60 : 58,397.44 = 10,851.72 : x
  2. Step 2: Convert to fraction form
    38,931.60/58,397.44 = 10,851.72/x
  3. Step 3: Cross multiply
    38,931.60x = 58,397.44 × 10,851.72
  4. Step 4: Simplify right side
    38,931.60x = 633,712,667.60
  5. Step 5: Solve for x
    x = 633,712,667.60/38,931.60
  6. Step 6: Final answer
    x = 16,277.59

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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.