Home / 30,430.51-45,656.70-26,778.22

Finding the Fourth Proportional to 30,430.51, 45,656.70 and 26,778.22

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Solution

The fourth proportional to 30,430.51, 45,656.70 and 26,778.22 is: 40,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.51 : 45,656.70 = 26,778.22 : x
  2. Step 2: Convert to fraction form
    30,430.51/45,656.70 = 26,778.22/x
  3. Step 3: Cross multiply
    30,430.51x = 45,656.70 × 26,778.22
  4. Step 4: Simplify right side
    30,430.51x = 1,222,604,794.90
  5. Step 5: Solve for x
    x = 1,222,604,794.90/30,430.51
  6. Step 6: Final answer
    x = 40,176.95

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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.