Home / 64,886.47-97,347.02-20,514.06

Finding the Fourth Proportional to 64,886.47, 97,347.02 and 20,514.06

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Solution

The fourth proportional to 64,886.47, 97,347.02 and 20,514.06 is: 30,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.47 : 97,347.02 = 20,514.06 : x
  2. Step 2: Convert to fraction form
    64,886.47/97,347.02 = 20,514.06/x
  3. Step 3: Cross multiply
    64,886.47x = 97,347.02 × 20,514.06
  4. Step 4: Simplify right side
    64,886.47x = 1,996,982,506.53
  5. Step 5: Solve for x
    x = 1,996,982,506.53/64,886.47
  6. Step 6: Final answer
    x = 30,776.56

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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.