Home / 34,950.77-52,417.35-9,990.95

Finding the Fourth Proportional to 34,950.77, 52,417.35 and 9,990.95

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Solution

The fourth proportional to 34,950.77, 52,417.35 and 9,990.95 is: 14,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,950.77 : 52,417.35 = 9,990.95 : x
  2. Step 2: Convert to fraction form
    34,950.77/52,417.35 = 9,990.95/x
  3. Step 3: Cross multiply
    34,950.77x = 52,417.35 × 9,990.95
  4. Step 4: Simplify right side
    34,950.77x = 523,698,860.90
  5. Step 5: Solve for x
    x = 523,698,860.90/34,950.77
  6. Step 6: Final answer
    x = 14,983.90

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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.