Home / 51,048.04-70,445.54-28,691.88

Finding the Fourth Proportional to 51,048.04, 70,445.54 and 28,691.88

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Solution

The fourth proportional to 51,048.04, 70,445.54 and 28,691.88 is: 39,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.04 : 70,445.54 = 28,691.88 : x
  2. Step 2: Convert to fraction form
    51,048.04/70,445.54 = 28,691.88/x
  3. Step 3: Cross multiply
    51,048.04x = 70,445.54 × 28,691.88
  4. Step 4: Simplify right side
    51,048.04x = 2,021,214,980.22
  5. Step 5: Solve for x
    x = 2,021,214,980.22/51,048.04
  6. Step 6: Final answer
    x = 39,594.37

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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.