Home / 30,808.20-42,526.81-23,988.72

Finding the Fourth Proportional to 30,808.20, 42,526.81 and 23,988.72

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Solution

The fourth proportional to 30,808.20, 42,526.81 and 23,988.72 is: 33,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.20 : 42,526.81 = 23,988.72 : x
  2. Step 2: Convert to fraction form
    30,808.20/42,526.81 = 23,988.72/x
  3. Step 3: Cross multiply
    30,808.20x = 42,526.81 × 23,988.72
  4. Step 4: Simplify right side
    30,808.20x = 1,020,163,524.95
  5. Step 5: Solve for x
    x = 1,020,163,524.95/30,808.20
  6. Step 6: Final answer
    x = 33,113.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.