Home / 30,952.19-42,711.08-19,013.60

Finding the Fourth Proportional to 30,952.19, 42,711.08 and 19,013.60

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Solution

The fourth proportional to 30,952.19, 42,711.08 and 19,013.60 is: 26,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,952.19 : 42,711.08 = 19,013.60 : x
  2. Step 2: Convert to fraction form
    30,952.19/42,711.08 = 19,013.60/x
  3. Step 3: Cross multiply
    30,952.19x = 42,711.08 × 19,013.60
  4. Step 4: Simplify right side
    30,952.19x = 812,091,082.06
  5. Step 5: Solve for x
    x = 812,091,082.06/30,952.19
  6. Step 6: Final answer
    x = 26,236.95

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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.