Home / 45,518.36-68,230.76-17,430.80

Finding the Fourth Proportional to 45,518.36, 68,230.76 and 17,430.80

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Solution

The fourth proportional to 45,518.36, 68,230.76 and 17,430.80 is: 26,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.36 : 68,230.76 = 17,430.80 : x
  2. Step 2: Convert to fraction form
    45,518.36/68,230.76 = 17,430.80/x
  3. Step 3: Cross multiply
    45,518.36x = 68,230.76 × 17,430.80
  4. Step 4: Simplify right side
    45,518.36x = 1,189,316,303.10
  5. Step 5: Solve for x
    x = 1,189,316,303.10/45,518.36
  6. Step 6: Final answer
    x = 26,128.28

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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.