Home / 51,207.46-70,666.13-28,546.20

Finding the Fourth Proportional to 51,207.46, 70,666.13 and 28,546.20

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Solution

The fourth proportional to 51,207.46, 70,666.13 and 28,546.20 is: 39,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.46 : 70,666.13 = 28,546.20 : x
  2. Step 2: Convert to fraction form
    51,207.46/70,666.13 = 28,546.20/x
  3. Step 3: Cross multiply
    51,207.46x = 70,666.13 × 28,546.20
  4. Step 4: Simplify right side
    51,207.46x = 2,017,249,480.21
  5. Step 5: Solve for x
    x = 2,017,249,480.21/51,207.46
  6. Step 6: Final answer
    x = 39,393.66

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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.