Home / 51,191.76-70,580.88-42,706.20

Finding the Fourth Proportional to 51,191.76, 70,580.88 and 42,706.20

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Solution

The fourth proportional to 51,191.76, 70,580.88 and 42,706.20 is: 58,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.76 : 70,580.88 = 42,706.20 : x
  2. Step 2: Convert to fraction form
    51,191.76/70,580.88 = 42,706.20/x
  3. Step 3: Cross multiply
    51,191.76x = 70,580.88 × 42,706.20
  4. Step 4: Simplify right side
    51,191.76x = 3,014,241,177.46
  5. Step 5: Solve for x
    x = 3,014,241,177.46/51,191.76
  6. Step 6: Final answer
    x = 58,881.37

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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.