Home / 30,675.80-42,332.00-17,063.55

Finding the Fourth Proportional to 30,675.80, 42,332.00 and 17,063.55

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Solution

The fourth proportional to 30,675.80, 42,332.00 and 17,063.55 is: 23,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.80 : 42,332.00 = 17,063.55 : x
  2. Step 2: Convert to fraction form
    30,675.80/42,332.00 = 17,063.55/x
  3. Step 3: Cross multiply
    30,675.80x = 42,332.00 × 17,063.55
  4. Step 4: Simplify right side
    30,675.80x = 722,334,113.28
  5. Step 5: Solve for x
    x = 722,334,113.28/30,675.80
  6. Step 6: Final answer
    x = 23,547.36

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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.