Home / 38,478.99-53,123.04-29,332.53

Finding the Fourth Proportional to 38,478.99, 53,123.04 and 29,332.53

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Solution

The fourth proportional to 38,478.99, 53,123.04 and 29,332.53 is: 40,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478.99 : 53,123.04 = 29,332.53 : x
  2. Step 2: Convert to fraction form
    38,478.99/53,123.04 = 29,332.53/x
  3. Step 3: Cross multiply
    38,478.99x = 53,123.04 × 29,332.53
  4. Step 4: Simplify right side
    38,478.99x = 1,558,233,164.49
  5. Step 5: Solve for x
    x = 1,558,233,164.49/38,478.99
  6. Step 6: Final answer
    x = 40,495.69

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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.