Home / 65,875.21-98,812.94-30,839.47

Finding the Fourth Proportional to 65,875.21, 98,812.94 and 30,839.47

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Solution

The fourth proportional to 65,875.21, 98,812.94 and 30,839.47 is: 46,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.21 : 98,812.94 = 30,839.47 : x
  2. Step 2: Convert to fraction form
    65,875.21/98,812.94 = 30,839.47/x
  3. Step 3: Cross multiply
    65,875.21x = 98,812.94 × 30,839.47
  4. Step 4: Simplify right side
    65,875.21x = 3,047,338,281.78
  5. Step 5: Solve for x
    x = 3,047,338,281.78/65,875.21
  6. Step 6: Final answer
    x = 46,259.26

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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.