Home / 56,026.81-77,317.01-30,533.18

Finding the Fourth Proportional to 56,026.81, 77,317.01 and 30,533.18

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Solution

The fourth proportional to 56,026.81, 77,317.01 and 30,533.18 is: 42,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,026.81 : 77,317.01 = 30,533.18 : x
  2. Step 2: Convert to fraction form
    56,026.81/77,317.01 = 30,533.18/x
  3. Step 3: Cross multiply
    56,026.81x = 77,317.01 × 30,533.18
  4. Step 4: Simplify right side
    56,026.81x = 2,360,734,655.24
  5. Step 5: Solve for x
    x = 2,360,734,655.24/56,026.81
  6. Step 6: Final answer
    x = 42,135.80

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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.