Home / 53,191.15-73,402.81-29,317.21

Finding the Fourth Proportional to 53,191.15, 73,402.81 and 29,317.21

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Solution

The fourth proportional to 53,191.15, 73,402.81 and 29,317.21 is: 40,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.15 : 73,402.81 = 29,317.21 : x
  2. Step 2: Convert to fraction form
    53,191.15/73,402.81 = 29,317.21/x
  3. Step 3: Cross multiply
    53,191.15x = 73,402.81 × 29,317.21
  4. Step 4: Simplify right side
    53,191.15x = 2,151,965,595.36
  5. Step 5: Solve for x
    x = 2,151,965,595.36/53,191.15
  6. Step 6: Final answer
    x = 40,457.21

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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.