Home / 58,320.08-87,482.84-18,880.28

Finding the Fourth Proportional to 58,320.08, 87,482.84 and 18,880.28

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Solution

The fourth proportional to 58,320.08, 87,482.84 and 18,880.28 is: 28,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320.08 : 87,482.84 = 18,880.28 : x
  2. Step 2: Convert to fraction form
    58,320.08/87,482.84 = 18,880.28/x
  3. Step 3: Cross multiply
    58,320.08x = 87,482.84 × 18,880.28
  4. Step 4: Simplify right side
    58,320.08x = 1,651,700,514.40
  5. Step 5: Solve for x
    x = 1,651,700,514.40/58,320.08
  6. Step 6: Final answer
    x = 28,321.30

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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.