Home / 31,206.72-46,812.60-10,430.28

Finding the Fourth Proportional to 31,206.72, 46,812.60 and 10,430.28

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Solution

The fourth proportional to 31,206.72, 46,812.60 and 10,430.28 is: 15,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.72 : 46,812.60 = 10,430.28 : x
  2. Step 2: Convert to fraction form
    31,206.72/46,812.60 = 10,430.28/x
  3. Step 3: Cross multiply
    31,206.72x = 46,812.60 × 10,430.28
  4. Step 4: Simplify right side
    31,206.72x = 488,268,525.53
  5. Step 5: Solve for x
    x = 488,268,525.53/31,206.72
  6. Step 6: Final answer
    x = 15,646.26

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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.