Home / 46,431.40-63,987.78-45,740.20

Finding the Fourth Proportional to 46,431.40, 63,987.78 and 45,740.20

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Solution

The fourth proportional to 46,431.40, 63,987.78 and 45,740.20 is: 63,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,431.40 : 63,987.78 = 45,740.20 : x
  2. Step 2: Convert to fraction form
    46,431.40/63,987.78 = 45,740.20/x
  3. Step 3: Cross multiply
    46,431.40x = 63,987.78 × 45,740.20
  4. Step 4: Simplify right side
    46,431.40x = 2,926,813,854.76
  5. Step 5: Solve for x
    x = 2,926,813,854.76/46,431.40
  6. Step 6: Final answer
    x = 63,035.23

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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.