Home / 34,429.95-47,512.80-19,117.35

Finding the Fourth Proportional to 34,429.95, 47,512.80 and 19,117.35

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Solution

The fourth proportional to 34,429.95, 47,512.80 and 19,117.35 is: 26,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,429.95 : 47,512.80 = 19,117.35 : x
  2. Step 2: Convert to fraction form
    34,429.95/47,512.80 = 19,117.35/x
  3. Step 3: Cross multiply
    34,429.95x = 47,512.80 × 19,117.35
  4. Step 4: Simplify right side
    34,429.95x = 908,318,827.08
  5. Step 5: Solve for x
    x = 908,318,827.08/34,429.95
  6. Step 6: Final answer
    x = 26,381.65

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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.