Home / 30,457.36-45,612.96-17,947.72

Finding the Fourth Proportional to 30,457.36, 45,612.96 and 17,947.72

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Solution

The fourth proportional to 30,457.36, 45,612.96 and 17,947.72 is: 26,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.36 : 45,612.96 = 17,947.72 : x
  2. Step 2: Convert to fraction form
    30,457.36/45,612.96 = 17,947.72/x
  3. Step 3: Cross multiply
    30,457.36x = 45,612.96 × 17,947.72
  4. Step 4: Simplify right side
    30,457.36x = 818,648,634.45
  5. Step 5: Solve for x
    x = 818,648,634.45/30,457.36
  6. Step 6: Final answer
    x = 26,878.52

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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.