Home / 32,312.81-44,561.58-20,970.18

Finding the Fourth Proportional to 32,312.81, 44,561.58 and 20,970.18

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Solution

The fourth proportional to 32,312.81, 44,561.58 and 20,970.18 is: 28,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,312.81 : 44,561.58 = 20,970.18 : x
  2. Step 2: Convert to fraction form
    32,312.81/44,561.58 = 20,970.18/x
  3. Step 3: Cross multiply
    32,312.81x = 44,561.58 × 20,970.18
  4. Step 4: Simplify right side
    32,312.81x = 934,464,353.68
  5. Step 5: Solve for x
    x = 934,464,353.68/32,312.81
  6. Step 6: Final answer
    x = 28,919.32

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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.