Home / 52,089.23-71,878.88-29,430.20

Finding the Fourth Proportional to 52,089.23, 71,878.88 and 29,430.20

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Solution

The fourth proportional to 52,089.23, 71,878.88 and 29,430.20 is: 40,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.23 : 71,878.88 = 29,430.20 : x
  2. Step 2: Convert to fraction form
    52,089.23/71,878.88 = 29,430.20/x
  3. Step 3: Cross multiply
    52,089.23x = 71,878.88 × 29,430.20
  4. Step 4: Simplify right side
    52,089.23x = 2,115,409,307.63
  5. Step 5: Solve for x
    x = 2,115,409,307.63/52,089.23
  6. Step 6: Final answer
    x = 40,611.26

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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.