Home / 43,337.81-64,999.29-13,749.05

Finding the Fourth Proportional to 43,337.81, 64,999.29 and 13,749.05

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Solution

The fourth proportional to 43,337.81, 64,999.29 and 13,749.05 is: 20,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.81 : 64,999.29 = 13,749.05 : x
  2. Step 2: Convert to fraction form
    43,337.81/64,999.29 = 13,749.05/x
  3. Step 3: Cross multiply
    43,337.81x = 64,999.29 × 13,749.05
  4. Step 4: Simplify right side
    43,337.81x = 893,678,488.17
  5. Step 5: Solve for x
    x = 893,678,488.17/43,337.81
  6. Step 6: Final answer
    x = 20,621.22

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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.