Home / 30,386.40-45,509.13-29,335.16

Finding the Fourth Proportional to 30,386.40, 45,509.13 and 29,335.16

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Solution

The fourth proportional to 30,386.40, 45,509.13 and 29,335.16 is: 43,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.40 : 45,509.13 = 29,335.16 : x
  2. Step 2: Convert to fraction form
    30,386.40/45,509.13 = 29,335.16/x
  3. Step 3: Cross multiply
    30,386.40x = 45,509.13 × 29,335.16
  4. Step 4: Simplify right side
    30,386.40x = 1,335,017,382.47
  5. Step 5: Solve for x
    x = 1,335,017,382.47/30,386.40
  6. Step 6: Final answer
    x = 43,934.70

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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.