Home / 56,041.10-77,336.20-30,547.46

Finding the Fourth Proportional to 56,041.10, 77,336.20 and 30,547.46

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Solution

The fourth proportional to 56,041.10, 77,336.20 and 30,547.46 is: 42,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,041.10 : 77,336.20 = 30,547.46 : x
  2. Step 2: Convert to fraction form
    56,041.10/77,336.20 = 30,547.46/x
  3. Step 3: Cross multiply
    56,041.10x = 77,336.20 × 30,547.46
  4. Step 4: Simplify right side
    56,041.10x = 2,362,424,476.05
  5. Step 5: Solve for x
    x = 2,362,424,476.05/56,041.10
  6. Step 6: Final answer
    x = 42,155.21

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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.