Home / 66,299.48-99,430.68-26,300.46

Finding the Fourth Proportional to 66,299.48, 99,430.68 and 26,300.46

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Solution

The fourth proportional to 66,299.48, 99,430.68 and 26,300.46 is: 39,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.48 : 99,430.68 = 26,300.46 : x
  2. Step 2: Convert to fraction form
    66,299.48/99,430.68 = 26,300.46/x
  3. Step 3: Cross multiply
    66,299.48x = 99,430.68 × 26,300.46
  4. Step 4: Simplify right side
    66,299.48x = 2,615,072,622.11
  5. Step 5: Solve for x
    x = 2,615,072,622.11/66,299.48
  6. Step 6: Final answer
    x = 39,443.34

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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.