Home / 35,345.40-53,018.10-15,613.80

Finding the Fourth Proportional to 35,345.40, 53,018.10 and 15,613.80

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Solution

The fourth proportional to 35,345.40, 53,018.10 and 15,613.80 is: 23,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.40 : 53,018.10 = 15,613.80 : x
  2. Step 2: Convert to fraction form
    35,345.40/53,018.10 = 15,613.80/x
  3. Step 3: Cross multiply
    35,345.40x = 53,018.10 × 15,613.80
  4. Step 4: Simplify right side
    35,345.40x = 827,814,009.78
  5. Step 5: Solve for x
    x = 827,814,009.78/35,345.40
  6. Step 6: Final answer
    x = 23,420.70

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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.