Home / 52,621.20-78,962.96-19,364.63

Finding the Fourth Proportional to 52,621.20, 78,962.96 and 19,364.63

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Solution

The fourth proportional to 52,621.20, 78,962.96 and 19,364.63 is: 29,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.20 : 78,962.96 = 19,364.63 : x
  2. Step 2: Convert to fraction form
    52,621.20/78,962.96 = 19,364.63/x
  3. Step 3: Cross multiply
    52,621.20x = 78,962.96 × 19,364.63
  4. Step 4: Simplify right side
    52,621.20x = 1,529,088,012.47
  5. Step 5: Solve for x
    x = 1,529,088,012.47/52,621.20
  6. Step 6: Final answer
    x = 29,058.40

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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.