Home / 45,386.19-68,082.86-13,798.96

Finding the Fourth Proportional to 45,386.19, 68,082.86 and 13,798.96

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Solution

The fourth proportional to 45,386.19, 68,082.86 and 13,798.96 is: 20,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.19 : 68,082.86 = 13,798.96 : x
  2. Step 2: Convert to fraction form
    45,386.19/68,082.86 = 13,798.96/x
  3. Step 3: Cross multiply
    45,386.19x = 68,082.86 × 13,798.96
  4. Step 4: Simplify right side
    45,386.19x = 939,472,526.12
  5. Step 5: Solve for x
    x = 939,472,526.12/45,386.19
  6. Step 6: Final answer
    x = 20,699.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.