Home / 30,269.52-45,417.33-11,555.17

Finding the Fourth Proportional to 30,269.52, 45,417.33 and 11,555.17

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Solution

The fourth proportional to 30,269.52, 45,417.33 and 11,555.17 is: 17,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.52 : 45,417.33 = 11,555.17 : x
  2. Step 2: Convert to fraction form
    30,269.52/45,417.33 = 11,555.17/x
  3. Step 3: Cross multiply
    30,269.52x = 45,417.33 × 11,555.17
  4. Step 4: Simplify right side
    30,269.52x = 524,804,969.10
  5. Step 5: Solve for x
    x = 524,804,969.10/30,269.52
  6. Step 6: Final answer
    x = 17,337.74

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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.