Home / 65,401.07-98,159.93-30,360.47

Finding the Fourth Proportional to 65,401.07, 98,159.93 and 30,360.47

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Solution

The fourth proportional to 65,401.07, 98,159.93 and 30,360.47 is: 45,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,401.07 : 98,159.93 = 30,360.47 : x
  2. Step 2: Convert to fraction form
    65,401.07/98,159.93 = 30,360.47/x
  3. Step 3: Cross multiply
    65,401.07x = 98,159.93 × 30,360.47
  4. Step 4: Simplify right side
    65,401.07x = 2,980,180,967.37
  5. Step 5: Solve for x
    x = 2,980,180,967.37/65,401.07
  6. Step 6: Final answer
    x = 45,567.77

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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.