Home / 30,482.91-42,068.05-17,053.36

Finding the Fourth Proportional to 30,482.91, 42,068.05 and 17,053.36

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Solution

The fourth proportional to 30,482.91, 42,068.05 and 17,053.36 is: 23,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.91 : 42,068.05 = 17,053.36 : x
  2. Step 2: Convert to fraction form
    30,482.91/42,068.05 = 17,053.36/x
  3. Step 3: Cross multiply
    30,482.91x = 42,068.05 × 17,053.36
  4. Step 4: Simplify right side
    30,482.91x = 717,401,547.68
  5. Step 5: Solve for x
    x = 717,401,547.68/30,482.91
  6. Step 6: Final answer
    x = 23,534.55

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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.