Home / 35,462.20-53,189.70-12,088.30

Finding the Fourth Proportional to 35,462.20, 53,189.70 and 12,088.30

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Solution

The fourth proportional to 35,462.20, 53,189.70 and 12,088.30 is: 18,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.20 : 53,189.70 = 12,088.30 : x
  2. Step 2: Convert to fraction form
    35,462.20/53,189.70 = 12,088.30/x
  3. Step 3: Cross multiply
    35,462.20x = 53,189.70 × 12,088.30
  4. Step 4: Simplify right side
    35,462.20x = 642,973,050.51
  5. Step 5: Solve for x
    x = 642,973,050.51/35,462.20
  6. Step 6: Final answer
    x = 18,131.22

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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.