Home / 29,070.05-43,609.48-12,430.13

Finding the Fourth Proportional to 29,070.05, 43,609.48 and 12,430.13

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Solution

The fourth proportional to 29,070.05, 43,609.48 and 12,430.13 is: 18,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,070.05 : 43,609.48 = 12,430.13 : x
  2. Step 2: Convert to fraction form
    29,070.05/43,609.48 = 12,430.13/x
  3. Step 3: Cross multiply
    29,070.05x = 43,609.48 × 12,430.13
  4. Step 4: Simplify right side
    29,070.05x = 542,071,256.51
  5. Step 5: Solve for x
    x = 542,071,256.51/29,070.05
  6. Step 6: Final answer
    x = 18,647.07

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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.