Home / 53,746.64-80,621.76-18,686.60

Finding the Fourth Proportional to 53,746.64, 80,621.76 and 18,686.60

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Solution

The fourth proportional to 53,746.64, 80,621.76 and 18,686.60 is: 28,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,746.64 : 80,621.76 = 18,686.60 : x
  2. Step 2: Convert to fraction form
    53,746.64/80,621.76 = 18,686.60/x
  3. Step 3: Cross multiply
    53,746.64x = 80,621.76 × 18,686.60
  4. Step 4: Simplify right side
    53,746.64x = 1,506,546,580.42
  5. Step 5: Solve for x
    x = 1,506,546,580.42/53,746.64
  6. Step 6: Final answer
    x = 28,030.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.