Home / 43,289.40-64,934.10-35,999.40

Finding the Fourth Proportional to 43,289.40, 64,934.10 and 35,999.40

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Solution

The fourth proportional to 43,289.40, 64,934.10 and 35,999.40 is: 53,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.40 : 64,934.10 = 35,999.40 : x
  2. Step 2: Convert to fraction form
    43,289.40/64,934.10 = 35,999.40/x
  3. Step 3: Cross multiply
    43,289.40x = 64,934.10 × 35,999.40
  4. Step 4: Simplify right side
    43,289.40x = 2,337,588,639.54
  5. Step 5: Solve for x
    x = 2,337,588,639.54/43,289.40
  6. Step 6: Final answer
    x = 53,999.10

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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.