Home / 60,317.30-90,408.21-28,312.08

Finding the Fourth Proportional to 60,317.30, 90,408.21 and 28,312.08

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Solution

The fourth proportional to 60,317.30, 90,408.21 and 28,312.08 is: 42,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,317.30 : 90,408.21 = 28,312.08 : x
  2. Step 2: Convert to fraction form
    60,317.30/90,408.21 = 28,312.08/x
  3. Step 3: Cross multiply
    60,317.30x = 90,408.21 × 28,312.08
  4. Step 4: Simplify right side
    60,317.30x = 2,559,644,474.18
  5. Step 5: Solve for x
    x = 2,559,644,474.18/60,317.30
  6. Step 6: Final answer
    x = 42,436.32

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1.5x scale

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.