Home / 30,567.04-42,176.10-19,972.24

Finding the Fourth Proportional to 30,567.04, 42,176.10 and 19,972.24

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Solution

The fourth proportional to 30,567.04, 42,176.10 and 19,972.24 is: 27,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.04 : 42,176.10 = 19,972.24 : x
  2. Step 2: Convert to fraction form
    30,567.04/42,176.10 = 19,972.24/x
  3. Step 3: Cross multiply
    30,567.04x = 42,176.10 × 19,972.24
  4. Step 4: Simplify right side
    30,567.04x = 842,351,191.46
  5. Step 5: Solve for x
    x = 842,351,191.46/30,567.04
  6. Step 6: Final answer
    x = 27,557.50

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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.