Home / 54,530.79-75,252.41-30,657.51

Finding the Fourth Proportional to 54,530.79, 75,252.41 and 30,657.51

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Solution

The fourth proportional to 54,530.79, 75,252.41 and 30,657.51 is: 42,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.79 : 75,252.41 = 30,657.51 : x
  2. Step 2: Convert to fraction form
    54,530.79/75,252.41 = 30,657.51/x
  3. Step 3: Cross multiply
    54,530.79x = 75,252.41 × 30,657.51
  4. Step 4: Simplify right side
    54,530.79x = 2,307,051,358.81
  5. Step 5: Solve for x
    x = 2,307,051,358.81/54,530.79
  6. Step 6: Final answer
    x = 42,307.32

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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.