Home / 51,345.04-77,020.30-16,287.40

Finding the Fourth Proportional to 51,345.04, 77,020.30 and 16,287.40

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Solution

The fourth proportional to 51,345.04, 77,020.30 and 16,287.40 is: 24,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.04 : 77,020.30 = 16,287.40 : x
  2. Step 2: Convert to fraction form
    51,345.04/77,020.30 = 16,287.40/x
  3. Step 3: Cross multiply
    51,345.04x = 77,020.30 × 16,287.40
  4. Step 4: Simplify right side
    51,345.04x = 1,254,460,434.22
  5. Step 5: Solve for x
    x = 1,254,460,434.22/51,345.04
  6. Step 6: Final answer
    x = 24,431.97

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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.