Home / 64,829.12-97,250.97-20,442.74

Finding the Fourth Proportional to 64,829.12, 97,250.97 and 20,442.74

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Solution

The fourth proportional to 64,829.12, 97,250.97 and 20,442.74 is: 30,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.12 : 97,250.97 = 20,442.74 : x
  2. Step 2: Convert to fraction form
    64,829.12/97,250.97 = 20,442.74/x
  3. Step 3: Cross multiply
    64,829.12x = 97,250.97 × 20,442.74
  4. Step 4: Simplify right side
    64,829.12x = 1,988,075,808.20
  5. Step 5: Solve for x
    x = 1,988,075,808.20/64,829.12
  6. Step 6: Final answer
    x = 30,666.40

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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.