Home / 51,225.90-70,679.70-31,082.31

Finding the Fourth Proportional to 51,225.90, 70,679.70 and 31,082.31

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Solution

The fourth proportional to 51,225.90, 70,679.70 and 31,082.31 is: 42,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.90 : 70,679.70 = 31,082.31 : x
  2. Step 2: Convert to fraction form
    51,225.90/70,679.70 = 31,082.31/x
  3. Step 3: Cross multiply
    51,225.90x = 70,679.70 × 31,082.31
  4. Step 4: Simplify right side
    51,225.90x = 2,196,888,346.11
  5. Step 5: Solve for x
    x = 2,196,888,346.11/51,225.90
  6. Step 6: Final answer
    x = 42,886.28

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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.