Home / 35,405.83-53,108.25-14,345.69

Finding the Fourth Proportional to 35,405.83, 53,108.25 and 14,345.69

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Solution

The fourth proportional to 35,405.83, 53,108.25 and 14,345.69 is: 21,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.83 : 53,108.25 = 14,345.69 : x
  2. Step 2: Convert to fraction form
    35,405.83/53,108.25 = 14,345.69/x
  3. Step 3: Cross multiply
    35,405.83x = 53,108.25 × 14,345.69
  4. Step 4: Simplify right side
    35,405.83x = 761,874,490.94
  5. Step 5: Solve for x
    x = 761,874,490.94/35,405.83
  6. Step 6: Final answer
    x = 21,518.33

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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.