Home / 63,072.04-87,039.16-34,779.28

Finding the Fourth Proportional to 63,072.04, 87,039.16 and 34,779.28

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Solution

The fourth proportional to 63,072.04, 87,039.16 and 34,779.28 is: 47,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.04 : 87,039.16 = 34,779.28 : x
  2. Step 2: Convert to fraction form
    63,072.04/87,039.16 = 34,779.28/x
  3. Step 3: Cross multiply
    63,072.04x = 87,039.16 × 34,779.28
  4. Step 4: Simplify right side
    63,072.04x = 3,027,159,316.60
  5. Step 5: Solve for x
    x = 3,027,159,316.60/63,072.04
  6. Step 6: Final answer
    x = 47,995.27

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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.