Home / 53,136.45-73,325.93-30,459.18

Finding the Fourth Proportional to 53,136.45, 73,325.93 and 30,459.18

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Solution

The fourth proportional to 53,136.45, 73,325.93 and 30,459.18 is: 42,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.45 : 73,325.93 = 30,459.18 : x
  2. Step 2: Convert to fraction form
    53,136.45/73,325.93 = 30,459.18/x
  3. Step 3: Cross multiply
    53,136.45x = 73,325.93 × 30,459.18
  4. Step 4: Simplify right side
    53,136.45x = 2,233,447,548.24
  5. Step 5: Solve for x
    x = 2,233,447,548.24/53,136.45
  6. Step 6: Final answer
    x = 42,032.31

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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.