Home / 56,384.43-77,807.54-30,886.06

Finding the Fourth Proportional to 56,384.43, 77,807.54 and 30,886.06

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Solution

The fourth proportional to 56,384.43, 77,807.54 and 30,886.06 is: 42,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.43 : 77,807.54 = 30,886.06 : x
  2. Step 2: Convert to fraction form
    56,384.43/77,807.54 = 30,886.06/x
  3. Step 3: Cross multiply
    56,384.43x = 77,807.54 × 30,886.06
  4. Step 4: Simplify right side
    56,384.43x = 2,403,168,203.74
  5. Step 5: Solve for x
    x = 2,403,168,203.74/56,384.43
  6. Step 6: Final answer
    x = 42,621.13

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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.