Home / 52,485.84-72,430.07-28,613.52

Finding the Fourth Proportional to 52,485.84, 72,430.07 and 28,613.52

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Solution

The fourth proportional to 52,485.84, 72,430.07 and 28,613.52 is: 39,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485.84 : 72,430.07 = 28,613.52 : x
  2. Step 2: Convert to fraction form
    52,485.84/72,430.07 = 28,613.52/x
  3. Step 3: Cross multiply
    52,485.84x = 72,430.07 × 28,613.52
  4. Step 4: Simplify right side
    52,485.84x = 2,072,479,113.48
  5. Step 5: Solve for x
    x = 2,072,479,113.48/52,485.84
  6. Step 6: Final answer
    x = 39,486.44

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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.