Home / 53,461.40-80,130.08-20,160.14

Finding the Fourth Proportional to 53,461.40, 80,130.08 and 20,160.14

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Solution

The fourth proportional to 53,461.40, 80,130.08 and 20,160.14 is: 30,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,461.40 : 80,130.08 = 20,160.14 : x
  2. Step 2: Convert to fraction form
    53,461.40/80,130.08 = 20,160.14/x
  3. Step 3: Cross multiply
    53,461.40x = 80,130.08 × 20,160.14
  4. Step 4: Simplify right side
    53,461.40x = 1,615,433,631.01
  5. Step 5: Solve for x
    x = 1,615,433,631.01/53,461.40
  6. Step 6: Final answer
    x = 30,216.82

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1.5x scale

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.