Home / 54,547.90-75,271.64-30,670.14

Finding the Fourth Proportional to 54,547.90, 75,271.64 and 30,670.14

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Solution

The fourth proportional to 54,547.90, 75,271.64 and 30,670.14 is: 42,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.90 : 75,271.64 = 30,670.14 : x
  2. Step 2: Convert to fraction form
    54,547.90/75,271.64 = 30,670.14/x
  3. Step 3: Cross multiply
    54,547.90x = 75,271.64 × 30,670.14
  4. Step 4: Simplify right side
    54,547.90x = 2,308,591,736.83
  5. Step 5: Solve for x
    x = 2,308,591,736.83/54,547.90
  6. Step 6: Final answer
    x = 42,322.28

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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.