Home / 52,401.51-72,313.91-28,528.19

Finding the Fourth Proportional to 52,401.51, 72,313.91 and 28,528.19

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Solution

The fourth proportional to 52,401.51, 72,313.91 and 28,528.19 is: 39,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.51 : 72,313.91 = 28,528.19 : x
  2. Step 2: Convert to fraction form
    52,401.51/72,313.91 = 28,528.19/x
  3. Step 3: Cross multiply
    52,401.51x = 72,313.91 × 28,528.19
  4. Step 4: Simplify right side
    52,401.51x = 2,062,984,459.91
  5. Step 5: Solve for x
    x = 2,062,984,459.91/52,401.51
  6. Step 6: Final answer
    x = 39,368.80

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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.