Home / 36,345.65-50,156.72-20,430.16

Finding the Fourth Proportional to 36,345.65, 50,156.72 and 20,430.16

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Solution

The fourth proportional to 36,345.65, 50,156.72 and 20,430.16 is: 28,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.65 : 50,156.72 = 20,430.16 : x
  2. Step 2: Convert to fraction form
    36,345.65/50,156.72 = 20,430.16/x
  3. Step 3: Cross multiply
    36,345.65x = 50,156.72 × 20,430.16
  4. Step 4: Simplify right side
    36,345.65x = 1,024,709,663.75
  5. Step 5: Solve for x
    x = 1,024,709,663.75/36,345.65
  6. Step 6: Final answer
    x = 28,193.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.