Home / 40,421.34-60,631.47-10,435.68

Finding the Fourth Proportional to 40,421.34, 60,631.47 and 10,435.68

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Solution

The fourth proportional to 40,421.34, 60,631.47 and 10,435.68 is: 15,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.34 : 60,631.47 = 10,435.68 : x
  2. Step 2: Convert to fraction form
    40,421.34/60,631.47 = 10,435.68/x
  3. Step 3: Cross multiply
    40,421.34x = 60,631.47 × 10,435.68
  4. Step 4: Simplify right side
    40,421.34x = 632,730,618.85
  5. Step 5: Solve for x
    x = 632,730,618.85/40,421.34
  6. Step 6: Final answer
    x = 15,653.38

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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.