Home / 64,278.46-88,699.35-35,980.30

Finding the Fourth Proportional to 64,278.46, 88,699.35 and 35,980.30

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Solution

The fourth proportional to 64,278.46, 88,699.35 and 35,980.30 is: 49,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.46 : 88,699.35 = 35,980.30 : x
  2. Step 2: Convert to fraction form
    64,278.46/88,699.35 = 35,980.30/x
  3. Step 3: Cross multiply
    64,278.46x = 88,699.35 × 35,980.30
  4. Step 4: Simplify right side
    64,278.46x = 3,191,429,222.81
  5. Step 5: Solve for x
    x = 3,191,429,222.81/64,278.46
  6. Step 6: Final answer
    x = 49,650.06

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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.