Home / 53,643.81-74,023.57-31,836.33

Finding the Fourth Proportional to 53,643.81, 74,023.57 and 31,836.33

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Solution

The fourth proportional to 53,643.81, 74,023.57 and 31,836.33 is: 43,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.81 : 74,023.57 = 31,836.33 : x
  2. Step 2: Convert to fraction form
    53,643.81/74,023.57 = 31,836.33/x
  3. Step 3: Cross multiply
    53,643.81x = 74,023.57 × 31,836.33
  4. Step 4: Simplify right side
    53,643.81x = 2,356,638,762.99
  5. Step 5: Solve for x
    x = 2,356,638,762.99/53,643.81
  6. Step 6: Final answer
    x = 43,931.23

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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.