Home / 30,330.07-45,503.98-15,549.30

Finding the Fourth Proportional to 30,330.07, 45,503.98 and 15,549.30

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Solution

The fourth proportional to 30,330.07, 45,503.98 and 15,549.30 is: 23,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.07 : 45,503.98 = 15,549.30 : x
  2. Step 2: Convert to fraction form
    30,330.07/45,503.98 = 15,549.30/x
  3. Step 3: Cross multiply
    30,330.07x = 45,503.98 × 15,549.30
  4. Step 4: Simplify right side
    30,330.07x = 707,554,997.34
  5. Step 5: Solve for x
    x = 707,554,997.34/30,330.07
  6. Step 6: Final answer
    x = 23,328.50

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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.