Home / 34,702.40-47,888.74-18,786.72

Finding the Fourth Proportional to 34,702.40, 47,888.74 and 18,786.72

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Solution

The fourth proportional to 34,702.40, 47,888.74 and 18,786.72 is: 25,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.40 : 47,888.74 = 18,786.72 : x
  2. Step 2: Convert to fraction form
    34,702.40/47,888.74 = 18,786.72/x
  3. Step 3: Cross multiply
    34,702.40x = 47,888.74 × 18,786.72
  4. Step 4: Simplify right side
    34,702.40x = 899,672,349.53
  5. Step 5: Solve for x
    x = 899,672,349.53/34,702.40
  6. Step 6: Final answer
    x = 25,925.36

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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.