Home / 63,779.16-88,017.90-35,485.08

Finding the Fourth Proportional to 63,779.16, 88,017.90 and 35,485.08

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Solution

The fourth proportional to 63,779.16, 88,017.90 and 35,485.08 is: 48,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,779.16 : 88,017.90 = 35,485.08 : x
  2. Step 2: Convert to fraction form
    63,779.16/88,017.90 = 35,485.08/x
  3. Step 3: Cross multiply
    63,779.16x = 88,017.90 × 35,485.08
  4. Step 4: Simplify right side
    63,779.16x = 3,123,322,222.93
  5. Step 5: Solve for x
    x = 3,123,322,222.93/63,779.16
  6. Step 6: Final answer
    x = 48,970.89

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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.