Home / 32,688.86-45,110.57-18,541.70

Finding the Fourth Proportional to 32,688.86, 45,110.57 and 18,541.70

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Solution

The fourth proportional to 32,688.86, 45,110.57 and 18,541.70 is: 25,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.86 : 45,110.57 = 18,541.70 : x
  2. Step 2: Convert to fraction form
    32,688.86/45,110.57 = 18,541.70/x
  3. Step 3: Cross multiply
    32,688.86x = 45,110.57 × 18,541.70
  4. Step 4: Simplify right side
    32,688.86x = 836,426,337.51
  5. Step 5: Solve for x
    x = 836,426,337.51/32,688.86
  6. Step 6: Final answer
    x = 25,587.51

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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.