Home / 46,412.16-69,713.28-30,640.32

Finding the Fourth Proportional to 46,412.16, 69,713.28 and 30,640.32

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Solution

The fourth proportional to 46,412.16, 69,713.28 and 30,640.32 is: 46,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,412.16 : 69,713.28 = 30,640.32 : x
  2. Step 2: Convert to fraction form
    46,412.16/69,713.28 = 30,640.32/x
  3. Step 3: Cross multiply
    46,412.16x = 69,713.28 × 30,640.32
  4. Step 4: Simplify right side
    46,412.16x = 2,136,037,207.45
  5. Step 5: Solve for x
    x = 2,136,037,207.45/46,412.16
  6. Step 6: Final answer
    x = 46,023.22

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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.