Home / 40,312.50-60,462.27-28,590.18

Finding the Fourth Proportional to 40,312.50, 60,462.27 and 28,590.18

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Solution

The fourth proportional to 40,312.50, 60,462.27 and 28,590.18 is: 42,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.50 : 60,462.27 = 28,590.18 : x
  2. Step 2: Convert to fraction form
    40,312.50/60,462.27 = 28,590.18/x
  3. Step 3: Cross multiply
    40,312.50x = 60,462.27 × 28,590.18
  4. Step 4: Simplify right side
    40,312.50x = 1,728,627,182.51
  5. Step 5: Solve for x
    x = 1,728,627,182.51/40,312.50
  6. Step 6: Final answer
    x = 42,880.67

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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.