Home / 35,345.57-53,042.65-13,176.68

Finding the Fourth Proportional to 35,345.57, 53,042.65 and 13,176.68

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Solution

The fourth proportional to 35,345.57, 53,042.65 and 13,176.68 is: 19,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.57 : 53,042.65 = 13,176.68 : x
  2. Step 2: Convert to fraction form
    35,345.57/53,042.65 = 13,176.68/x
  3. Step 3: Cross multiply
    35,345.57x = 53,042.65 × 13,176.68
  4. Step 4: Simplify right side
    35,345.57x = 698,925,727.25
  5. Step 5: Solve for x
    x = 698,925,727.25/35,345.57
  6. Step 6: Final answer
    x = 19,774.07

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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.