Home / 56,048.51-77,347.54-30,898.91

Finding the Fourth Proportional to 56,048.51, 77,347.54 and 30,898.91

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Solution

The fourth proportional to 56,048.51, 77,347.54 and 30,898.91 is: 42,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.51 : 77,347.54 = 30,898.91 : x
  2. Step 2: Convert to fraction form
    56,048.51/77,347.54 = 30,898.91/x
  3. Step 3: Cross multiply
    56,048.51x = 77,347.54 × 30,898.91
  4. Step 4: Simplify right side
    56,048.51x = 2,389,954,445.19
  5. Step 5: Solve for x
    x = 2,389,954,445.19/56,048.51
  6. Step 6: Final answer
    x = 42,640.82

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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.