Home / 34,065.60-47,011.64-21,314.72

Finding the Fourth Proportional to 34,065.60, 47,011.64 and 21,314.72

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Solution

The fourth proportional to 34,065.60, 47,011.64 and 21,314.72 is: 29,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065.60 : 47,011.64 = 21,314.72 : x
  2. Step 2: Convert to fraction form
    34,065.60/47,011.64 = 21,314.72/x
  3. Step 3: Cross multiply
    34,065.60x = 47,011.64 × 21,314.72
  4. Step 4: Simplify right side
    34,065.60x = 1,002,039,601.71
  5. Step 5: Solve for x
    x = 1,002,039,601.71/34,065.60
  6. Step 6: Final answer
    x = 29,415.00

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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.