Home / 61,030.17-91,558.32-18,909.32

Finding the Fourth Proportional to 61,030.17, 91,558.32 and 18,909.32

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Solution

The fourth proportional to 61,030.17, 91,558.32 and 18,909.32 is: 28,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.17 : 91,558.32 = 18,909.32 : x
  2. Step 2: Convert to fraction form
    61,030.17/91,558.32 = 18,909.32/x
  3. Step 3: Cross multiply
    61,030.17x = 91,558.32 × 18,909.32
  4. Step 4: Simplify right side
    61,030.17x = 1,731,305,113.75
  5. Step 5: Solve for x
    x = 1,731,305,113.75/61,030.17
  6. Step 6: Final answer
    x = 28,368.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.