Home / 40,701.24-56,130.21-27,931.89

Finding the Fourth Proportional to 40,701.24, 56,130.21 and 27,931.89

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Solution

The fourth proportional to 40,701.24, 56,130.21 and 27,931.89 is: 38,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701.24 : 56,130.21 = 27,931.89 : x
  2. Step 2: Convert to fraction form
    40,701.24/56,130.21 = 27,931.89/x
  3. Step 3: Cross multiply
    40,701.24x = 56,130.21 × 27,931.89
  4. Step 4: Simplify right side
    40,701.24x = 1,567,822,851.40
  5. Step 5: Solve for x
    x = 1,567,822,851.40/40,701.24
  6. Step 6: Final answer
    x = 38,520.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.