Home / 38,400.48-53,017.18-36,536.06

Finding the Fourth Proportional to 38,400.48, 53,017.18 and 36,536.06

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Solution

The fourth proportional to 38,400.48, 53,017.18 and 36,536.06 is: 50,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.48 : 53,017.18 = 36,536.06 : x
  2. Step 2: Convert to fraction form
    38,400.48/53,017.18 = 36,536.06/x
  3. Step 3: Cross multiply
    38,400.48x = 53,017.18 × 36,536.06
  4. Step 4: Simplify right side
    38,400.48x = 1,937,038,869.51
  5. Step 5: Solve for x
    x = 1,937,038,869.51/38,400.48
  6. Step 6: Final answer
    x = 50,443.09

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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.