Home / 30,294.28-45,438.16-10,573.20

Finding the Fourth Proportional to 30,294.28, 45,438.16 and 10,573.20

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Solution

The fourth proportional to 30,294.28, 45,438.16 and 10,573.20 is: 15,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294.28 : 45,438.16 = 10,573.20 : x
  2. Step 2: Convert to fraction form
    30,294.28/45,438.16 = 10,573.20/x
  3. Step 3: Cross multiply
    30,294.28x = 45,438.16 × 10,573.20
  4. Step 4: Simplify right side
    30,294.28x = 480,426,753.31
  5. Step 5: Solve for x
    x = 480,426,753.31/30,294.28
  6. Step 6: Final answer
    x = 15,858.66

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1.5x scale

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.