Home / 52,043.04-78,075.36-20,880.72

Finding the Fourth Proportional to 52,043.04, 78,075.36 and 20,880.72

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Solution

The fourth proportional to 52,043.04, 78,075.36 and 20,880.72 is: 31,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.04 : 78,075.36 = 20,880.72 : x
  2. Step 2: Convert to fraction form
    52,043.04/78,075.36 = 20,880.72/x
  3. Step 3: Cross multiply
    52,043.04x = 78,075.36 × 20,880.72
  4. Step 4: Simplify right side
    52,043.04x = 1,630,269,731.06
  5. Step 5: Solve for x
    x = 1,630,269,731.06/52,043.04
  6. Step 6: Final answer
    x = 31,325.41

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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.