Home / 32,612.40-48,916.32-12,617.76

Finding the Fourth Proportional to 32,612.40, 48,916.32 and 12,617.76

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Solution

The fourth proportional to 32,612.40, 48,916.32 and 12,617.76 is: 18,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.40 : 48,916.32 = 12,617.76 : x
  2. Step 2: Convert to fraction form
    32,612.40/48,916.32 = 12,617.76/x
  3. Step 3: Cross multiply
    32,612.40x = 48,916.32 × 12,617.76
  4. Step 4: Simplify right side
    32,612.40x = 617,214,385.84
  5. Step 5: Solve for x
    x = 617,214,385.84/32,612.40
  6. Step 6: Final answer
    x = 18,925.76

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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.