Home / 34,746.40-47,940.72-20,587.52

Finding the Fourth Proportional to 34,746.40, 47,940.72 and 20,587.52

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Solution

The fourth proportional to 34,746.40, 47,940.72 and 20,587.52 is: 28,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.40 : 47,940.72 = 20,587.52 : x
  2. Step 2: Convert to fraction form
    34,746.40/47,940.72 = 20,587.52/x
  3. Step 3: Cross multiply
    34,746.40x = 47,940.72 × 20,587.52
  4. Step 4: Simplify right side
    34,746.40x = 986,980,531.81
  5. Step 5: Solve for x
    x = 986,980,531.81/34,746.40
  6. Step 6: Final answer
    x = 28,405.26

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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.