Home / 30,606.30-45,909.45-15,810.30

Finding the Fourth Proportional to 30,606.30, 45,909.45 and 15,810.30

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Solution

The fourth proportional to 30,606.30, 45,909.45 and 15,810.30 is: 23,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.30 : 45,909.45 = 15,810.30 : x
  2. Step 2: Convert to fraction form
    30,606.30/45,909.45 = 15,810.30/x
  3. Step 3: Cross multiply
    30,606.30x = 45,909.45 × 15,810.30
  4. Step 4: Simplify right side
    30,606.30x = 725,842,177.34
  5. Step 5: Solve for x
    x = 725,842,177.34/30,606.30
  6. Step 6: Final answer
    x = 23,715.45

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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.