Home / 65,075.36-89,806.08-36,004.18

Finding the Fourth Proportional to 65,075.36, 89,806.08 and 36,004.18

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Solution

The fourth proportional to 65,075.36, 89,806.08 and 36,004.18 is: 49,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,075.36 : 89,806.08 = 36,004.18 : x
  2. Step 2: Convert to fraction form
    65,075.36/89,806.08 = 36,004.18/x
  3. Step 3: Cross multiply
    65,075.36x = 89,806.08 × 36,004.18
  4. Step 4: Simplify right side
    65,075.36x = 3,233,394,269.41
  5. Step 5: Solve for x
    x = 3,233,394,269.41/65,075.36
  6. Step 6: Final answer
    x = 49,686.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.