Home / 32,720.23-45,148.47-19,289.62

Finding the Fourth Proportional to 32,720.23, 45,148.47 and 19,289.62

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Solution

The fourth proportional to 32,720.23, 45,148.47 and 19,289.62 is: 26,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.23 : 45,148.47 = 19,289.62 : x
  2. Step 2: Convert to fraction form
    32,720.23/45,148.47 = 19,289.62/x
  3. Step 3: Cross multiply
    32,720.23x = 45,148.47 × 19,289.62
  4. Step 4: Simplify right side
    32,720.23x = 870,896,829.88
  5. Step 5: Solve for x
    x = 870,896,829.88/32,720.23
  6. Step 6: Final answer
    x = 26,616.46

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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.