Home / 30,159.90-41,620.89-16,547.85

Finding the Fourth Proportional to 30,159.90, 41,620.89 and 16,547.85

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Solution

The fourth proportional to 30,159.90, 41,620.89 and 16,547.85 is: 22,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.90 : 41,620.89 = 16,547.85 : x
  2. Step 2: Convert to fraction form
    30,159.90/41,620.89 = 16,547.85/x
  3. Step 3: Cross multiply
    30,159.90x = 41,620.89 × 16,547.85
  4. Step 4: Simplify right side
    30,159.90x = 688,736,244.59
  5. Step 5: Solve for x
    x = 688,736,244.59/30,159.90
  6. Step 6: Final answer
    x = 22,836.16

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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.