Home / 42,880.40-64,182.36-22,075.28

Finding the Fourth Proportional to 42,880.40, 64,182.36 and 22,075.28

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Solution

The fourth proportional to 42,880.40, 64,182.36 and 22,075.28 is: 33,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,880.40 : 64,182.36 = 22,075.28 : x
  2. Step 2: Convert to fraction form
    42,880.40/64,182.36 = 22,075.28/x
  3. Step 3: Cross multiply
    42,880.40x = 64,182.36 × 22,075.28
  4. Step 4: Simplify right side
    42,880.40x = 1,416,843,568.06
  5. Step 5: Solve for x
    x = 1,416,843,568.06/42,880.40
  6. Step 6: Final answer
    x = 33,041.75

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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.