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Finding the Fourth Proportional to 47,322.96, 64,831.74 and 45,550.32

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Solution

The fourth proportional to 47,322.96, 64,831.74 and 45,550.32 is: 62,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.96 : 64,831.74 = 45,550.32 : x
  2. Step 2: Convert to fraction form
    47,322.96/64,831.74 = 45,550.32/x
  3. Step 3: Cross multiply
    47,322.96x = 64,831.74 × 45,550.32
  4. Step 4: Simplify right side
    47,322.96x = 2,953,106,503.16
  5. Step 5: Solve for x
    x = 2,953,106,503.16/47,322.96
  6. Step 6: Final answer
    x = 62,403.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.