Home / 30,776.09-42,471.95-17,347.91

Finding the Fourth Proportional to 30,776.09, 42,471.95 and 17,347.91

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Solution

The fourth proportional to 30,776.09, 42,471.95 and 17,347.91 is: 23,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.09 : 42,471.95 = 17,347.91 : x
  2. Step 2: Convert to fraction form
    30,776.09/42,471.95 = 17,347.91/x
  3. Step 3: Cross multiply
    30,776.09x = 42,471.95 × 17,347.91
  4. Step 4: Simplify right side
    30,776.09x = 736,799,267.03
  5. Step 5: Solve for x
    x = 736,799,267.03/30,776.09
  6. Step 6: Final answer
    x = 23,940.64

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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.