Home / 63,779.13-88,018.65-35,485.43

Finding the Fourth Proportional to 63,779.13, 88,018.65 and 35,485.43

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Solution

The fourth proportional to 63,779.13, 88,018.65 and 35,485.43 is: 48,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.13 : 88,018.65 = 35,485.43 : x
  2. Step 2: Convert to fraction form
    63,779.13/88,018.65 = 35,485.43/x
  3. Step 3: Cross multiply
    63,779.13x = 88,018.65 × 35,485.43
  4. Step 4: Simplify right side
    63,779.13x = 3,123,379,203.18
  5. Step 5: Solve for x
    x = 3,123,379,203.18/63,779.13
  6. Step 6: Final answer
    x = 48,971.81

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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.