Home / 53,291.51-73,541.09-29,420.45

Finding the Fourth Proportional to 53,291.51, 73,541.09 and 29,420.45

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Solution

The fourth proportional to 53,291.51, 73,541.09 and 29,420.45 is: 40,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.51 : 73,541.09 = 29,420.45 : x
  2. Step 2: Convert to fraction form
    53,291.51/73,541.09 = 29,420.45/x
  3. Step 3: Cross multiply
    53,291.51x = 73,541.09 × 29,420.45
  4. Step 4: Simplify right side
    53,291.51x = 2,163,611,814.19
  5. Step 5: Solve for x
    x = 2,163,611,814.19/53,291.51
  6. Step 6: Final answer
    x = 40,599.56

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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.