Home / 30,508.16-42,102.06-17,079.35

Finding the Fourth Proportional to 30,508.16, 42,102.06 and 17,079.35

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Solution

The fourth proportional to 30,508.16, 42,102.06 and 17,079.35 is: 23,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.16 : 42,102.06 = 17,079.35 : x
  2. Step 2: Convert to fraction form
    30,508.16/42,102.06 = 17,079.35/x
  3. Step 3: Cross multiply
    30,508.16x = 42,102.06 × 17,079.35
  4. Step 4: Simplify right side
    30,508.16x = 719,075,818.46
  5. Step 5: Solve for x
    x = 719,075,818.46/30,508.16
  6. Step 6: Final answer
    x = 23,569.95

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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.