Home / 56,897.32-78,521.70-31,746.28

Finding the Fourth Proportional to 56,897.32, 78,521.70 and 31,746.28

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Solution

The fourth proportional to 56,897.32, 78,521.70 and 31,746.28 is: 43,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,897.32 : 78,521.70 = 31,746.28 : x
  2. Step 2: Convert to fraction form
    56,897.32/78,521.70 = 31,746.28/x
  3. Step 3: Cross multiply
    56,897.32x = 78,521.70 × 31,746.28
  4. Step 4: Simplify right side
    56,897.32x = 2,492,771,874.28
  5. Step 5: Solve for x
    x = 2,492,771,874.28/56,897.32
  6. Step 6: Final answer
    x = 43,811.76

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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.