Home / 34,585.10-47,729.98-19,479.40

Finding the Fourth Proportional to 34,585.10, 47,729.98 and 19,479.40

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Solution

The fourth proportional to 34,585.10, 47,729.98 and 19,479.40 is: 26,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,585.10 : 47,729.98 = 19,479.40 : x
  2. Step 2: Convert to fraction form
    34,585.10/47,729.98 = 19,479.40/x
  3. Step 3: Cross multiply
    34,585.10x = 47,729.98 × 19,479.40
  4. Step 4: Simplify right side
    34,585.10x = 929,751,372.41
  5. Step 5: Solve for x
    x = 929,751,372.41/34,585.10
  6. Step 6: Final answer
    x = 26,883.00

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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.