Home / 53,720.21-80,457.69-25,660.04

Finding the Fourth Proportional to 53,720.21, 80,457.69 and 25,660.04

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Solution

The fourth proportional to 53,720.21, 80,457.69 and 25,660.04 is: 38,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.21 : 80,457.69 = 25,660.04 : x
  2. Step 2: Convert to fraction form
    53,720.21/80,457.69 = 25,660.04/x
  3. Step 3: Cross multiply
    53,720.21x = 80,457.69 × 25,660.04
  4. Step 4: Simplify right side
    53,720.21x = 2,064,547,543.71
  5. Step 5: Solve for x
    x = 2,064,547,543.71/53,720.21
  6. Step 6: Final answer
    x = 38,431.49

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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.