Home / 30,447.95-45,675.61-10,722.47

Finding the Fourth Proportional to 30,447.95, 45,675.61 and 10,722.47

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Solution

The fourth proportional to 30,447.95, 45,675.61 and 10,722.47 is: 16,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.95 : 45,675.61 = 10,722.47 : x
  2. Step 2: Convert to fraction form
    30,447.95/45,675.61 = 10,722.47/x
  3. Step 3: Cross multiply
    30,447.95x = 45,675.61 × 10,722.47
  4. Step 4: Simplify right side
    30,447.95x = 489,755,102.77
  5. Step 5: Solve for x
    x = 489,755,102.77/30,447.95
  6. Step 6: Final answer
    x = 16,085.00

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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.